Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521829 | Electromagnetic wave absorbing sheet | Kazuhito Matsumura, Kenichi Yoshida, Hidekazu Nakata, Masato Yoshizawa | 2003-02-18 |
| 5815795 | Oscillation detecting system for wireless repeater | — | 1998-09-29 |
| 4983984 | Roadside beacon system with polarized beams | Yoshizo Shibano, Haruo Suzuki | 1991-01-08 |
| 4887090 | Vehicle antenna with shiftable gain patterns | Yoshizo Shibano, Haruo Suzuki | 1989-12-12 |
| 4833481 | Roadside beacon system | Yoshizo Shibano, Haruo Suzuki | 1989-05-23 |
| 4823138 | Roadside beacon system | Yoshizo Shibano, Haruo Suzuki | 1989-04-18 |
| 4444462 | Picture image observation system | Kimizo Ono, Yoshikazu Nishiwaki, Koichi Tsuno, Mitsuru Nishikawa | 1984-04-24 |
| 4429392 | Laser output controlling device | Kenichi Yoshida, Kimizo Ono, Katsuyoshi Sunago, Shinya Takenaka | 1984-01-31 |